Finding the Fourth Proportional to 89,063.77, 122,902.38 and 48,778.02

Step by Step Solution

1. Step 1: Write the proportion equation
   89,063.77 : 122,902.38 = 48,778.02 : x
2. Step 2: Convert to fraction form
   89,063.77/122,902.38 = 48,778.02/x
3. Step 3: Cross multiply
   89,063.77x = 122,902.38 × 48,778.02
4. Step 4: Simplify right side
   89,063.77x = 5,994,934,749.69
5. Step 5: Solve for x
   x = 5,994,934,749.69/89,063.77
6. Step 6: Final answer
   x = 67,310.59